Round Robins, use the Mapped Key Wizard, and select the Round Robin Key Broadcast. If you need another type of Mapped Key, then you can create that in the Wizard, and then edit the mapped key, and set the actions in it to Round Robin by ticking the Round Robin Tick Box. http://www.isboxer.com/wiki/Mapped_Key_Wizard

WoW Interact With Target -> http://www.isboxer.com/wiki/WoW:Interact_with_Target. The choice you need to make with this one is whether you will Keep Click To Move turned on, or not. There are two mapped keys, choose one, configure all the items as per the instructions. If you choose the one which does not keep Click To Move turned on, then the usage is: press and hold the hotkey, click the mouse, then let go of the hotkey.